Analysis
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max time kernel
22s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 19:25
Static task
static1
Behavioral task
behavioral1
Sample
c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe
Resource
win7-20221111-en
General
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Target
c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe
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Size
924KB
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MD5
59c2fb7ae369ab11071d32af4fe7918e
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SHA1
7b7f4618121465c3332b675f99dbae2545c4aff2
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SHA256
c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344
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SHA512
1e23fc552739ce4402c064b7b6451ebe2d2ec25e4a83bb828013f4b88202d148140ddb037e502aa6c0cc2e56b9d6cea60585e9b5f5e36ced6b21f9d66f31805c
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SSDEEP
24576:h1OYdaOZpi3TiqRomivrVhjlLZzpHAzSpkGk8t8Fp:h1Os3GX0rN1lHAKkZ8t8Fp
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
buuG8fEJ1wRKeQa.exepid process 1204 buuG8fEJ1wRKeQa.exe -
Loads dropped DLL 1 IoCs
Processes:
c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exepid process 2040 c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops Chrome extension 3 IoCs
Processes:
buuG8fEJ1wRKeQa.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\hcelkpiodfdhlhfgkenhibcagocfnefn\2.0\manifest.json buuG8fEJ1wRKeQa.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\hcelkpiodfdhlhfgkenhibcagocfnefn\2.0\manifest.json buuG8fEJ1wRKeQa.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\hcelkpiodfdhlhfgkenhibcagocfnefn\2.0\manifest.json buuG8fEJ1wRKeQa.exe -
Drops file in System32 directory 4 IoCs
Processes:
buuG8fEJ1wRKeQa.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy buuG8fEJ1wRKeQa.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini buuG8fEJ1wRKeQa.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol buuG8fEJ1wRKeQa.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI buuG8fEJ1wRKeQa.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
buuG8fEJ1wRKeQa.exepid process 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe 1204 buuG8fEJ1wRKeQa.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
buuG8fEJ1wRKeQa.exedescription pid process Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe Token: SeDebugPrivilege 1204 buuG8fEJ1wRKeQa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exedescription pid process target process PID 2040 wrote to memory of 1204 2040 c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe buuG8fEJ1wRKeQa.exe PID 2040 wrote to memory of 1204 2040 c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe buuG8fEJ1wRKeQa.exe PID 2040 wrote to memory of 1204 2040 c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe buuG8fEJ1wRKeQa.exe PID 2040 wrote to memory of 1204 2040 c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe buuG8fEJ1wRKeQa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe"C:\Users\Admin\AppData\Local\Temp\c7f02353a433832b03b2c1d5442776f7a989b61fbb6d1999c2c9032b72a77344.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\7zSB1D3.tmp\buuG8fEJ1wRKeQa.exe.\buuG8fEJ1wRKeQa.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5dfc71b1885e277d7537cb0cd8c99a6dd
SHA16c4431914e02a17dbfad949628cea20d6017800c
SHA2569fb5822cd616b41e8bd923889be83a467f4d37cdc48ef11a309d3945eb0e7fca
SHA512ea380c210c3cc33909067f61a2e9288fd2e6458d6906b209730894f1613a857794114fa4b94790f0946d7f1e3440fec8b92fcb312647e2a1f003c9a8be3f34dd
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Filesize
765KB
MD5754a15785aaff9c8a9ab023ceaefe6f4
SHA1f4fe2eaf0ab6de7c630693a95f621cd7bcd7891d
SHA2568265556161785f62a6eb0eba4edaa6b1045694d1bd33015c34b4a89577df608f
SHA5129ed0ce64411d3e71dbf6064c15310d257295958d8e762d0704254f88c9d1f676a341bf92d162719075ed9050c9b42a9bdbcc69d5355395257098bbcb1155a13f
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Filesize
143B
MD55dafb939f79c75ded228198e38f8d494
SHA15314eea072aa9122db907035cd6c6b19e7904fd1
SHA256a47324af068e73deb0e3a38c45ad7139cccf997a3570d33da00e1688f676dbe1
SHA512ee2c804f21510d03cf7b65a15cee0c4330d684398a10847b19f312c95751ca1c89c83d1976d5d65cbd7909687a8db8299e763fd12257d89bbc1b1024e380c69b
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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Filesize
6KB
MD501754c0406daacc7316ed0c9328410d4
SHA1cf8942f4b7eae267fb0b053fb299738ab593093f
SHA256905c9f4a2e699523a7609de2c3985866369aed139cc4b3eb2cfcecd87ef98b31
SHA512f853fe11ebb9546a09014de25c6ad6150063a82833bcdd6c261d45f0e6ac354ce31df4220503f9daad210454fd7856372aaa9f1fb2928c516ded956375c05e0d
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C:\Users\Admin\AppData\Local\Temp\7zSB1D3.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSB1D3.tmp\[email protected]\chrome.manifest
Filesize35B
MD57200f3f3536f77be6f6f73218a9b8c2e
SHA19c686aa2f199ad4c95eb0b6d8f3f92be0f8193ee
SHA25681d1f775290817ebd3c964f06055bbdb4413828d6d1a0744ec336ea6591cafcf
SHA5124091862ca5dd0dd2e9fe98464afb680ddfe289870cba815df9f2db66d05d8b4af211ae511fba4eba06c1f66ba1fb5b6075fad0d6ce251a112e39b8ba9caaee7d
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C:\Users\Admin\AppData\Local\Temp\7zSB1D3.tmp\[email protected]\content\bg.js
Filesize8KB
MD56660fc5800e4b85d50fca53fd2651107
SHA1021921e1ff20537be7df150b62b6c15bda63ffc6
SHA256146ab623de4fd73b5807b77cbb7150fa064fe760390e84c8a8fb523658b1f375
SHA512481a2bf512285f6b292465509a6eeca4003887f35ade9d108d5e160e4fb6d4f94443bb1cc81515c25ee91430452aa118e65b97c744f222e6e6dff28f16d2fd4e
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C:\Users\Admin\AppData\Local\Temp\7zSB1D3.tmp\[email protected]\install.rdf
Filesize597B
MD5752d87746c2aaaa757e229b0655a8dca
SHA1e322409a4c402cd524a03f89724a1773efe6efb3
SHA25691366cbc2fd1d948b5b790983880cb64d70a25c5a27899e51eed200a5ee967f9
SHA512724f4a4851cca8aa1d7a9aebbb14f7947e552b62a1c2bc8db73b678359b4ccde460480d01d003eab9884692565fe5a6a270245f41435d6d446cddd08ca4c71b6
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Filesize
765KB
MD5754a15785aaff9c8a9ab023ceaefe6f4
SHA1f4fe2eaf0ab6de7c630693a95f621cd7bcd7891d
SHA2568265556161785f62a6eb0eba4edaa6b1045694d1bd33015c34b4a89577df608f
SHA5129ed0ce64411d3e71dbf6064c15310d257295958d8e762d0704254f88c9d1f676a341bf92d162719075ed9050c9b42a9bdbcc69d5355395257098bbcb1155a13f